Idelalisib (trade name Zydelig zye-DEL-ig, codenamed GS-1101 or CAL-101) is a drug used for the treatment of certain hematological malignancies. The substance acts as a phosphoinositide 3-kinase inhibitor; more specifically, it blocks P110δ, the delta isoform of the enzyme phosphoinositide 3-kinase.

CAS：870281-82-6
中文别名：5-氟-3-苯基-2-[(1S)-1-(9H-嘌呤-6-基氨基)丙基]-4(3H)-喹唑啉酮;
英文别名：4(3H)​-​Quinazolinone,5-​fluoro-​3-​phenyl-​2-​[(1S)​-​1-​(9H-​purin-​6-​ylamino)​propyl]​-;Zydelig;CAL-101;GS-1101;
分子式：C22H18FN7O
分子量：415.423
精确质量：415.156
Psa：101.38
Logp：3.8273

UNII：YG57I8T5M0